JPH0535826A - 自由曲線作成方法及び自由曲面作成方法 - Google Patents

自由曲線作成方法及び自由曲面作成方法

Info

Publication number
JPH0535826A
JPH0535826A JP3311952A JP31195291A JPH0535826A JP H0535826 A JPH0535826 A JP H0535826A JP 3311952 A JP3311952 A JP 3311952A JP 31195291 A JP31195291 A JP 31195291A JP H0535826 A JPH0535826 A JP H0535826A
Authority
JP
Japan
Prior art keywords
vector
free
point
patch
curve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3311952A
Other languages
English (en)
Japanese (ja)
Inventor
Yoshikazu Ooka
美和 大岡
Tetsuzo Kuragano
哲造 倉賀野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to US07/965,079 priority Critical patent/US6084586A/en
Publication of JPH0535826A publication Critical patent/JPH0535826A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Geometry (AREA)
  • Computer Graphics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Image Generation (AREA)
  • Numerical Control (AREA)
JP3311952A 1991-03-20 1991-10-29 自由曲線作成方法及び自由曲面作成方法 Pending JPH0535826A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/965,079 US6084586A (en) 1991-10-29 1992-10-22 Method and apparatus for forming objects based on free-form curves and free-form surfaces generated by minimizing sum of distances from an input series of points to a free-form curve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3-81905 1991-03-20
JP8190591 1991-03-20

Publications (1)

Publication Number Publication Date
JPH0535826A true JPH0535826A (ja) 1993-02-12

Family

ID=13759461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3311952A Pending JPH0535826A (ja) 1991-03-20 1991-10-29 自由曲線作成方法及び自由曲面作成方法

Country Status (5)

Country Link
US (1) US5410645A (de)
EP (1) EP0504889B1 (de)
JP (1) JPH0535826A (de)
KR (1) KR100253039B1 (de)
DE (1) DE69232227T2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579464A (en) * 1994-05-18 1996-11-26 Sony Corporation Free-form surface creation method and apparatus thereof
US5631840A (en) * 1994-04-28 1997-05-20 Sony Corporation Methods and apparatuses for generating sculptured surfaces
WO2007083602A1 (ja) * 2006-01-23 2007-07-26 National University Corporation Yokohama National University 補間処理方法、補間処理装置、形状評価方法、および形状評価装置
JP2012114518A (ja) * 2010-11-19 2012-06-14 Fujitsu Ltd 受信回路、送信回路、通信システム、及び通信システムの送信設定方法

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5500927A (en) * 1993-03-18 1996-03-19 Macromedia, Inc. System and method for simplifying a computer-generated path
US5664085A (en) * 1993-06-29 1997-09-02 Fujitsu Limited Method of an apparatus for generating tangential circle
GB2295701B (en) * 1994-11-29 1997-06-25 Honda Motor Co Ltd Method for machining a product die
US5805172A (en) * 1995-11-13 1998-09-08 Brown; Ray Method of generating abstract designs
FR2749527B1 (fr) * 1996-06-06 1998-07-17 Const Mecaniques Des Vosges Procedes pour l'usinage de pieces mecaniques, particulierement de pieces de forme complexe
US5774359A (en) * 1996-09-17 1998-06-30 Autodesk, Inc. Method for generating an extended rolling ball fillet surface between two surfaces
US5995109A (en) * 1997-04-08 1999-11-30 Lsi Logic Corporation Method for rendering high order rational surface patches
JPH10293854A (ja) * 1997-04-18 1998-11-04 Koubundou:Kk 曲線表示方法及び装置、同曲線を表すデータの作成方法及び装置、並びに同表示方法及び作成方法を実現するためのプログラムを記録した記録媒体
AUPP557998A0 (en) * 1998-08-28 1998-09-24 Canon Kabushiki Kaisha Method and apparatus for orientating a set of finite N-dimensional space curves
US6498608B1 (en) * 1998-12-15 2002-12-24 Microsoft Corporation Method and apparatus for variable weight outline emboldening of scalable outline fonts
US6441822B1 (en) * 1999-04-02 2002-08-27 Bruce H. Johnson Drawing with circular arcs
US6392646B1 (en) * 1999-12-22 2002-05-21 General Electric Co. Iterative determination of the shortest path between two points on a polygonal surface
AUPQ856700A0 (en) * 2000-07-04 2000-07-27 Ninnes, David Brian Method for creating geometric figures
US6950099B2 (en) * 2002-07-01 2005-09-27 Alias Systems Corp. Approximation of Catmull-Clark subdivision surfaces by Bezier patches
US20060080820A1 (en) * 2004-10-18 2006-04-20 Belote Adam T Method and apparatus for a reducing surface area profile required for a gasket part cut from a sheet of gasket material
JP4800873B2 (ja) * 2006-08-04 2011-10-26 オークマ株式会社 近似点群データからの近似曲線生成プログラム及び方法
KR100913848B1 (ko) * 2007-07-06 2009-08-26 삼성중공업 주식회사 곡형 부재 가공 완성도 평가 시스템 및 그 방법
US8300052B1 (en) * 2008-09-24 2012-10-30 Autodesk, Inc. Application of bevel curves to splines
CN102629289B (zh) * 2012-03-05 2014-05-07 南京航空航天大学 一种转角特征插铣刀轨自动生成方法
TWI476640B (zh) 2012-09-28 2015-03-11 Ind Tech Res Inst 時間資料序列的平滑化方法與裝置
CN107350528B (zh) * 2017-09-18 2018-11-02 沈阳飞机工业（集团）有限公司 转角插铣加工的插铣点位构建方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1282142C (en) * 1986-10-21 1991-03-26 Sony Corporation Method for generating offset surface data
CA1293812C (en) * 1987-10-26 1991-12-31 Tetsuzo Kuragano Method and system for generating free curved surface
KR930002339B1 (ko) * 1989-04-20 1993-03-29 가부시기가이샤 도시바 짧은 직선 벡터의 곡선 세그멘트에 3차 베지어(Bzxier)곡선을 정합시키는 방법

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5631840A (en) * 1994-04-28 1997-05-20 Sony Corporation Methods and apparatuses for generating sculptured surfaces
US5579464A (en) * 1994-05-18 1996-11-26 Sony Corporation Free-form surface creation method and apparatus thereof
WO2007083602A1 (ja) * 2006-01-23 2007-07-26 National University Corporation Yokohama National University 補間処理方法、補間処理装置、形状評価方法、および形状評価装置
JP4934789B2 (ja) * 2006-01-23 2012-05-16 国立大学法人横浜国立大学 補間処理方法および補間処理装置
US8228329B2 (en) 2006-01-23 2012-07-24 National University Corporation Yokohama National University Interpolation processing method, interpolation processing device, shape evaluation method, and shape evaluation device
JP2012114518A (ja) * 2010-11-19 2012-06-14 Fujitsu Ltd 受信回路、送信回路、通信システム、及び通信システムの送信設定方法

Also Published As

Publication number Publication date
EP0504889B1 (de) 2001-11-28
DE69232227T2 (de) 2002-05-23
US5410645A (en) 1995-04-25
KR920018600A (ko) 1992-10-22
EP0504889A2 (de) 1992-09-23
KR100253039B1 (ko) 2000-04-15
EP0504889A3 (en) 1994-08-24
DE69232227D1 (de) 2002-01-10

Similar Documents

Publication Publication Date Title
JPH0535826A (ja) 自由曲線作成方法及び自由曲面作成方法
Jiang et al. Frame field singularity correctionfor automatic hexahedralization
Huang et al. Block pattern generation: From parameterizing human bodies to fit feature-aligned and flattenable 3D garments
Ainsworth et al. CAD-based measurement path planning for free-form shapes using contact probes
KR101250163B1 (ko) 메쉬로부터 파라미터화 표면의 아이소토폴로직(ｉｓｏｔｏｐｏｌｏｇｉｃ) 세트를 생성하는 프로세스
JP3137245B2 (ja) 自由曲線作成方法及び自由曲面作成方法
Lang et al. Profile error evaluation of free-form surface using sequential quadratic programming algorithm
Lalehpour et al. Developing skin model in coordinate metrology using a finite element method
JP2002520750A (ja) 非正則パッチの細分化行列の固有空間におけるパラメータ化された曲面の数値計算方法
Wang et al. From designing products to fabricating them from planar materials
Zeng et al. Least squares quasi-developable mesh approximation
Stanko et al. Surfacing curve networks with normal control
Moustakides et al. 3D image acquisition and NURBS based geometry modelling of natural objects
Yang et al. Conformal freeform surfaces
US6084586A (en) Method and apparatus for forming objects based on free-form curves and free-form surfaces generated by minimizing sum of distances from an input series of points to a free-form curve
CN110796735A (zh) Nurbs曲面有限元板壳网格划分方法及计算机实现系统
Makhlouf et al. Approach for CAD model Reconstruction from a deformed mesh
Zheng et al. An algorithm for computing geodesic curve based on digital experiment of point clouds
JPH04287173A (ja) 物体の表面形状データ作成方法及び装置
Lin et al. Fusion of disconnected mesh components with branching shapes
Le-Thi-Thu et al. Reconstruction of Low Degree B-spline Surfaces with Arbitrary Topology Using Inverse Subdivision Scheme
JP3187809B2 (ja) 物体の表面形状データ作成方法
Myasoedova et al. Geometric modeling of offset curves in contour-parallel pocket machining of engineering products
JPH04287171A (ja) 自由曲線作成方法及び自由曲線作成装置
Xi et al. Inspection path planning of complex surface based on one-step inverse approach and curvature-oriented point distribution